The Muc-Off Tubeless Tag Holder and Valve Kit offers a discreet way to install a tracker inside your tubeless bicycle tire in conjunction with Muc-Off's Tubeless Valves, meaning you can track down your bike down in the event of theft and can locate it using the Find My iPhone App.Your tracker is housed in a protective, 3-part silicone and rubber housing and held in place to Muck-Off's tubeless valve inside the tire, completely out of site. A set of 44mm tubeless valves are included.Sacrificial stem, ensures tracker and rim protection even after a big hit to the wheelDurable rubber stem mount body allows air and sealant to flow through freelySilicone top cover protects tracker and internal plug keeps tubeless sealant outDoesn t block tracker signalSupplied with 3 pairs of our rubber valve basesNo-rattle design holds tracker securely in placeWeighs 7.5g without AirTag - 18.7g with AirTag. AirTag not includedDesigned for use on rear wheel Muc-Off Stealth Tubeless Tag Holder & Valve Kit Tubeless Valves EAN: 5037835214352